The Gossip Girl hunk wants your jeans! Well sort of, the green-hearted actor knows a gently worn pair of jeans can be recycled for a good cause. The actor teamed up with Do Something and Aeropostale clothing shop to launch the second annual teens for jeans campaign. It's a national campaign to collect jeans for homeless teens. Drop off a pair of your old (but still wearable) jeans at any Aeropostale by March 1st and they'll get donated to to a local homeless shelter or charity. Last year the campaign collected over 125 thousand pairs. Learn More: Do Something

Julia's Green Lifestyle:

Julia is one green-minded actress who not only talks the eco-talk, she also walks the eco-walk. At 48, she looks younger and is in better shape than when she was on Seinfeld 11 years ago. In April's Shape magazine, the actress credits her eco-lifestyle as her anti-aging weapon. "I buy organic food whenever they're available and shop at my local farmers' market whenever I can. ...It's better for the earth because the food is grown nearby, not flown in from some faraway place like South America," reveals Julia. As for exercise, she gets backs to nature and hikes at least twice a week. for an hour or two. "It's a physical escape, as well as a mental." Learn More: Shape Magazine

Anne Hathaway's Eco-Escape:

Photo Credit: Photo Bucket

When this Oscar nominee needs a break from the "silly" Hollywood scene, she often travels to a green destination - such as Puntacana Resort & Club in the Dominican Republic. This luxe eco-designed resort is dedicated to preserving its natural habitat. Situated on 26 square acres, the resort dedicated 1,500 acres of land for conservation and investigation. Plus, it developed a coastal marine project to help protect the reef and marine life. There's a tropical fish habitat and new turtle eggs are protected during birthing season. The resort serves only organic foods and the spa treatments use locally grown ingredients, like tropical fuirts and lemongrass. Learn More: Puntacana Resort

Gwyneth Brings Yoga To Kids:

Photo Credit: Sarah Jaye Weiss/Star Traks

Longtime yogi Gwyneth hopes her star power will bring more yoga into New York City schools. The actress hosted a benefit for Bent On Learning, a non-profit organization that offers instruction in yoga and meditation to city school kids. Studies indicate yoga helps young kids reduce stress, improve concentration, and boost their self-esteem. Gwyneth, who's been practicing for nearly 10 years, credits yoga with helping her to relax. "It's really important to take some time to just be still and breath, and not try to do six things at once. I think everybody should do it, even if it's one restorative yoga pose a day. Learn More: Bent On Learning

The Gossip Girl hunk wants your jeans! Well sort of, the green-hearted actor knows a gently worn pair of jeans can be recycled for a good cause. The actor teamed up with Do Something and Aeropostale clothing shop to